CN207850501U - Driving weighs overload unification Weighing system - Google Patents
Driving weighs overload unification Weighing system Download PDFInfo
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- CN207850501U CN207850501U CN201820354313.0U CN201820354313U CN207850501U CN 207850501 U CN207850501 U CN 207850501U CN 201820354313 U CN201820354313 U CN 201820354313U CN 207850501 U CN207850501 U CN 207850501U
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Abstract
The utility model discloses drivings to weigh overload unification Weighing system, including weighing sensor, terminal box of weighing and weight display, weighing sensor are fixed on plane base crossbeam, and weighing sensor forms the Weighing mechanism of Weighing system together with fixed pulley group；Fixed pulley group includes carrying axle and fixed pulley；Weighing sensor is supported on the both ends of carrying axle, and the weight of steel wire rope is applied to weighing sensor by carrying axle；Weighing sensor exports two path signal under the weight that carrying axle applies, being connected all the way with weight display in two path signal, realizes the hanging object weighing function of driving；Another way in two path signal is connected with load limiter instrument, realizes that the function system of the overload warning function of driving and the hanging object weighing function of driving is unified.The Weighing system weighing accuracy of the utility model is high, can meet the actual process demand at user scene.Realize overload warning weighing system and driving Weighing system between the two compatible.
Description
Technical field
The utility model is related to play the measurement technology of hanging object, more particularly to overload system and the weighing of the hanging object that will drive a vehicle
A kind of driving that system is integrally fused together weighs overload unification Weighing system.
Background technology
Currently, being usually all to be mounted on weighing sensor on main hook and movable pulley for the driving electronic scale for making steel industry
Between this design structure, the structure is because weighing sensor is closer from the liquid steel level of ladle, and the radiation temperature of molten steel
It is very high, therefore expensive high temperature resistant piezomagnetic weighing sensor need to be selected.Followed by signal cable need to main hook lift and
High-temperature cable reel must be used, there are problems that cable is easy to break damage；Additionally there are each portal frames of replacing all to need
Sensor is dismounted, heavy workload, maintenance cost is high.In the prior art, part driving is also equipped with load limiter
To ensure the lifting safety of driving, it is therefore desirable to design and a realize overload warning function not increasing any weighing sensor
A kind of Weighing system.
Invention content
Technical problem to be solved in the utility model is that in view of the above-mentioned state of the art, and providing a kind of safety can
It leans on, is easy to maintain, the driving weighing overload unification weighing high, and that overload warning can be made compatible with weighing of driving a vehicle of weighing accuracy
System.
Technical solution is used by the utility model solves above-mentioned technical problem：
Driving weighs overload unification Weighing system, including weighing sensor, terminal box of weighing and weight display, biography of weighing
Sensor is fixedly mounted on driving plane base crossbeam, and the weighing sensor matches one with the support of the fixed pulley group of driving
Play the Weighing mechanism of composition Weighing system；Fixed pulley group includes that carrying axle and turning set turn in carrying axle with hanging object steel wire rope
Two fixed pulleys of dynamic friction cooperation；Weighing sensor is supported on the both ends of carrying axle, is carried when the carrying axle is by steel wire rope hanging object
Weight be applied to weighing sensor；Weighing sensor is double independent signal sensors with double independent signal output functions,
Double independent signal sensors under the weight that carrying axle applies by the change of strain gauge bridge impedance on elastomer export with again
Directly proportional two path signal is measured, the terminal box weighed all the way in two path signal is connected with weight display；Two-way electricity
Another way in signal is connected with load limiter instrument through the terminal box that overloads.
To optimize above-mentioned technical proposal, the measure taken further includes：
The contour structures of above-mentioned double independent signal sensors are by intermediate carrying section and are integrally attached to carrying section both sides
Elastomer composition；The concave arc for carrying section processing and carrying axle positioning support cooperation, is arranged between elastomer and the connection for carrying section
There is strain bore, foil gauge is provided in strain bore, and the aperture of strain bore is welded with and is prevented using argon-are welding technology
The bowl seal diaphragm of dirt sealing.
At signal amplifier, A/D converter and microprocessor of the above-mentioned electric signal through double independent signal sensor internals
Digital signal output is converted into after reason, elastomer perforation is machined with mounting hole, and the side of at least elastomer of side is set
It is equipped with the Aviation Connector of lead.
It is arranged on above-mentioned plane base crossbeam in two groups of fixed pulley groups, every group of fixed pulley group sets that there are two double independent signals
Sensor.
The fixed pulley protective frame that fixed pulley is lived from both wings and top hood guard is installed on above-mentioned plane base crossbeam, it is fixed sliding
Wheel protective frame is made of left backplate, right backplate and curved roof for connecting left backplate and right backplate；The axis of curved roof
The axle center of the heart and fixed pulley coincides, and fixed pulley is machined with the steel wire rope holding tank that can increase the friction area between steel wire rope, arc
The concave profile of shape top plate matches the steel wire rope limit chamber for being formed with and capable of preventing steel wire rope from deviating from, steel wire with steel wire rope holding tank
The length of limit chamber of restricting is equal to the arc length of curved roof, the circumference that the arc length of curved roof is 1/4.
Above-mentioned weight display is the digital display with power-off protection function, and the back side of weight display is arranged
It is useful for the terminal interface of the power interface and connection signal input or output of connection power supply, terminal interface includes analog input
Output interface, switch value input interface, output switch parameter interface, weight interface, speed interface, communication interface and printing interface.
The front end face of above-mentioned weight display is provided with is provided with the main number for showing weighed quantity in distribution up and down
Word display screen and attached digital display screen for showing time, number, and the front end face of weight display is additionally provided with three points
Yong Yu not show dynamic, number and zero-bit display lamp and key group；Key group include ON/OFF keys, setting key, weight/time
Number key and clearing/enter key.
Compared with prior art, the weighing sensor of the utility model is mounted on driving plane base crossbeam, and is claimed
It retransmits sensor and matches the Weighing mechanism for forming Weighing system together with the support of the fixed pulley group of driving；Weighing sensor is supported on
The carrying axle both ends of fixed pulley group.The weighing principle of this weighing structure of the utility model is according to when driving is in static
When hanging state, every steel wire rope stress is the theorem of mean allocation, by steel wire rope on the fixed pulley of fixed pulley group through carrying axle
Be transferred on the weighing sensor under spindle nose, finally with the carrying of the steel wire rope on fixed pulley come indirectly measure in traditional technology by
Movable pulley steel wire rope is carried by the weight of title object.This weighing structure of the utility model makes weighing sensor far from molten steel liquid
Face reduces hyperthermia radiation of the liquid steel level to weighing sensor, therefore weighing sensor can be selected the very high room temperature of precision and pass
Sensor.Weighing sensor be mounted on it is safe, firm and reliable on driving plane base crossbeam, and to safeguarding from now on and replacement is brought
It is convenient.The weighing sensor of the utility model is double independent signal sensors with double independent signal output functions, when weighing
Two path signal can be exported simultaneously, and the terminal box weighed all the way in two path signal is connected with weight display, realizes row
The hanging object weighing function of vehicle；Another way in two path signal is connected with load limiter instrument through the terminal box that overloads, and realizes row
The function system of the overload warning function of vehicle and the hanging object weighing function of driving is unified.
Description of the drawings
Fig. 1 is the system composition schematic diagram of the utility model；
Fig. 2 is the mounting structure schematic diagram of the utility model Weighing mechanism；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is the structural schematic diagram of the double independent signal sensors of the utility model；
Fig. 5 is that bowing for Fig. 4 sees figure；
Fig. 6 is the right view of Fig. 4；
Fig. 7 is the structural schematic diagram at the utility model weight display back side；
Fig. 8 is the connection diagram of the utility model analog input and output interface；
Fig. 9 is the connection diagram of the external no source contact of the utility model switch value input interface；
Figure 10 is the connection diagram that the utility model switch value input interface is circumscribed with source contact；
Figure 11 is for the wiring schematic diagram of weigh terminal box and double independent signal sensors；
Figure 12 is the doube bridge output services schematic diagram of the double independent signal sensors of the utility model；
Figure 13 is one of the dual output group bridge line map of this bright double independent signal sensor；
Figure 14 is the two of the dual output group bridge line map of this bright double independent signal sensor.
Specific implementation mode
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Fig. 1 to Figure 14 is the structure and circuit diagram of the utility model.
Reference numeral therein is：Steel wire rope limit chamber Q, double independent signal sensors 1, concave arc 1a, strain bore 1b, installation
Hole 1c, carrying section 11, elastomer 12, Aviation Connector 13, terminal box of weighing 2, weight display 3, overload terminal box 4, overload limit
Instruments and meters 5 processed, fixed pulley group 6, carrying axle 61, fixed pulley 62, plane base crossbeam 7, left backplate 81, right backplate 82, arched top
Plate 83.
As shown, the utility model discloses a kind of drivings to weigh overload unification Weighing system, which can make
Both electronic weighing function system and overload warning function system are unified.This Weighing system includes weighing sensor, wiring of weighing
Box 2 and weight display 3, the utility model change traditional weighing sensor and the design structure that combines of movable pulley of driving a vehicle, and incite somebody to action
Weighing sensor is fixedly mounted on driving plane base crossbeam 7, using the fixed pulley group 6 of weighing sensor support driving, is made
Weighing sensor is matched with the support of the fixed pulley group 6 of driving, and weighing sensor is made to form Weighing system together with fixed pulley group 6
Weighing mechanism；This Weighing mechanism makes weighing sensor far from liquid steel level, reduces liquid steel level to weighing sensor
Hyperthermia radiation, therefore retransmit sensor and the very high room temperature sensor of precision can be selected.Weighing sensor is mounted on driving plane base
It is safe, firm and reliable on plinth crossbeam, and to safeguarding from now on and replacement is brought convenience.
The fixed pulley group 6 of the utility model includes that carrying axle 61 and turning set turn in carrying axle 61 with hanging object steel wire rope
Two fixed pulleys 62 of dynamic friction cooperation；Weighing sensor is supported on the both ends of carrying axle 61, and the carrying axle 61 is by steel wire rope hanging object
When the weight that carries be applied to weighing sensor.For the utility model when driving a vehicle hanging object, the weight of object passes through wire rope transfers
Given pulley blocks 6, then weighing sensor is applied to by the carrying axle 61 of fixed pulley group 6.The weighing sensor of the utility model
For double independent signal sensors 1 with double independent signal output functions, double independent signal sensors 1 apply in carrying axle 61
The two path signal directly proportional to weight, two path signal are exported by the change of strain gauge bridge impedance on elastomer under weight
In terminal box 2 weighed all the way be connected with weight display 3, realize the hanging object weighing function of driving；In two path signal
Another way through overload terminal box 4 be connected with load limiter instrument 5, realize the overload warning function of driving.The utility model
It is exported using double independent signals of double independent signal sensors 1, realizes the hanging object weighing function system and overload warning work(of driving
The system unification of energy system.
The Weighing system weighing accuracy of the utility model is high, can meet the actual process demand at user scene.It realizes super
Carry alarm weighing system and driving Weighing system between the two compatible.
In embodiment, the contour structures of double independent signal sensors 1 of the utility model are by intermediate carrying section 11 and one
The elastomer 12 that body is connected to 11 both sides of carrying section forms；Carry the concave arc of the processing of section 11 and the positioning support cooperation of carrying axle 61
1a is provided with strain bore 1b between elastomer 12 and the connection for carrying section 11, foil gauge, and strain bore is provided in strain bore 1b
The aperture of 1b is welded with the bowl seal diaphragm that dust seal is carried out using argon-are welding technology.Due to pair of the utility model
The site of deployment dust of independent signal sensor 1 is larger, environment rather harsh, it is therefore desirable to encapsulation process.Double independent signals pass
Sensor 1 after finishing assembly, grey alkyd ready mixed paint in being sprayed again after appearance spray antirust paint.
In embodiment, the electric signal of the utility model turns through signal amplifier, the A/D inside double independent signal sensors 1
Digital signal output is converted into after parallel operation and microprocessor processes, the perforation of elastomer 12 is machined with mounting hole 1c, and at least
Leaded Aviation Connector 13 is arranged in the side of the elastomer 12 of side.The electric signal output of double independent signal sensors 1 is logical
Cross the extraction of Aviation Connector 13.Double independent signal sensors 1 are fixed on across mounting hole 1c in driving when installing by bolt.
In embodiment, the driving total weight of the utility model is 200 tons, is arranged on plane base crossbeam 7 and is slided surely at two groups
Wheel group 6, every group of fixed pulley group 6 set that there are two double independent signal sensors 1.
In embodiment, it is equipped with from both wings and top hood guard on the plane base crossbeam 7 of the utility model and lives fixed pulley 62
Fixed pulley protective frame, fixed pulley protective frame is by left backplate 81, right backplate 82 and for connecting left backplate 81 and right backplate 82
Curved roof 83 form；The axle center of curved roof 83 and the axle center of fixed pulley 62 coincide, and fixed pulley 62, which is machined with, to be increased
The steel wire rope holding tank of friction area between steel wire rope, the concave profile of curved roof 83 match to be formed with steel wire rope holding tank
There are the steel wire rope limit chamber Q that can prevent steel wire rope from deviating from, the length of steel wire rope limit chamber Q to be equal to the arc length of curved roof 83, arc
The circumference that the arc length of shape top plate 83 is 1/4.
In embodiment, the weight display 3 of the utility model is the digital display with power-off protection function, is weighed
The back side of display 3 is provided with the terminal interface of power interface and connection signal input or output for connecting power supply, terminal
Interface includes analog input and output interface, switch value input interface, output switch parameter interface, weight interface, speed interface, leads to
Communication interface and printing interface.
Analog input and output interface shares 6 interfaces, wherein：Between No. 1 interface A01+ and No. 2 interface A01- and No. 3
The load less than or equal to 500 Ω, energy between No. 5 interface AI+ and No. 6 interface AI- can be connect between interface A02+ and No. 4 interface A02-
The current range connect is the power supply of 0-20mA.
The external no source contact of switch value input interface energy or external 10V~30V d. c. voltage signals, the switching value are defeated
Incoming interface includes 7 interfaces altogether, wherein：No. 1 interface is DI1+, No. 2 interfaces are DI2+, No. 3 interfaces are DI3+, No. 4 interfaces are
DI4+, No. 5 interfaces are COM, No. 6 interfaces are EGND, No. 7 interfaces are+12V；When the external no source contact of switch value input interface,
No. 1 interface DI1+ and No. 6 interface EGND is connected with triode indirectly without source contact between No. 2 interface DI2+ and No. 6 interface EGND, and 3
Number it is connected with button between interface DI3+ and No. 6 interface EGND, switch is connected between No. 4 interface DI4+ and No. 6 interface EGND；When opening
When pass amount input interface is circumscribed with source contact, series active contact switch gives electricity with outer between No. 1 interface DI1+ and No. 6 interface EGND
Source.
There are output switch parameter interface 8 interfaces, the weight interface to have 7 interfaces, speed interface tool
There are 4 interfaces, the communication interface and printing interface to all have 3 interfaces.
The front end face of weight display 3 is provided with the main number display being provided in distribution up and down for showing weighed quantity
Screen and the attached digital display screen for showing time, number, and the front end face of weight display 3 is additionally provided with three and is respectively used to
The display lamp and key group of display dynamic, number and zero-bit；The key group include ON/OFF keys, setting key, weight/time
Number key and clearing/enter key.
The comprehensive performance of the utility model is as follows：Range of weighing is 0t ~ 200t；Overload rating is 150%, and extreme overload is
300%, the operating temperature of double independent signal sensors is -40 DEG C~+250 DEG C；Working power：380V/220V ± 15%, 50Hz ±
2%；Synthesis precision：≤2%F.S（Static weighing）；Relative humidity：≤90%.
The above, only the preferred embodiments of the present invention, but scope of protection of the utility model is not limited thereto,
Any one skilled in the art within the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should all be covered by scope of protection of the utility model.
Claims (7)
1. driving weighs overload unification Weighing system, including weighing sensor, terminal box of weighing (2) and weight display (3),
It is characterized in：The weighing sensor is fixedly mounted on driving plane base crossbeam (7), and the weighing sensor and driving
Fixed pulley group (6) support match together form Weighing system Weighing mechanism；The fixed pulley group (6) includes carrying axle
(61) and turning set is mounted in two fixed pulleys (62) in carrying axle (61) with the cooperation of hanging object steel wire rope pivoting friction；Described weighs
Both ends of the sensor support in carrying axle (61)；The weighing sensor is double independent with double independent signal output functions
Signal transducer (1), double independent signal sensors (1) are under the weight that carrying axle (61) applies by being answered on elastomer
The change for becoming meter bridge impedance exports the two path signal directly proportional to weight, weighed all the way in the electric signal described in two-way
Terminal box (2) is connected with weight display (3)；The another way in electric signal described in two-way is connected through the terminal box (4) that overloads
There is load limiter instrument (5).
2. driving according to claim 1 weighs overload unification Weighing system, it is characterized in that：Double independent signals pass
The contour structures of sensor (1) are by intermediate carrying section (11) and are integrally attached to carry elastomer (12) group of section (11) both sides
At；The concave arc (1a) of described carrying section (11) processing and carrying axle (61) positioning support cooperation, the elastomer (12) with
It is provided with strain bore (1b) between the connection of carrying section (11), foil gauge, and strain bore are provided in the strain bore (1b)
The aperture of (1b) is welded with the bowl seal diaphragm that dust seal is carried out using argon-are welding technology.
3. driving according to claim 2 weighs overload unification Weighing system, it is characterized in that：The electric signal is through double only
It is converted into digital signal output after the internal signal amplifier of vertical signal transducer (1), A/D converter and microprocessor processes,
Elastomer (12) perforation is machined with mounting hole (1c), and the side of at least elastomer (12) of side is provided with and draws
The Aviation Connector (13) of line.
4. driving according to claim 3 weighs overload unification Weighing system, it is characterized in that：The plane base crossbeam
(7) it is arranged in two groups of fixed pulley groups (6), every group of fixed pulley group (6) sets that there are two double independent signal sensors (1).
5. driving according to claim 4 weighs overload unification Weighing system, it is characterized in that：The plane base crossbeam
(7) the fixed pulley protective frame that fixed pulley (62) is lived from both wings and top hood guard is installed, the fixed pulley protective frame is by a left side on
Backplate (81), right backplate (82) and the curved roof (83) for connecting left backplate (81) and right backplate (82) form；It is described
Curved roof (83) axle center and the axle center of fixed pulley (62) coincide, the fixed pulley (62), which is machined with, can increase and steel
The steel wire rope holding tank of friction area between cord, the concave profile of the curved roof (83) are matched with steel wire rope holding tank
It is formed with the steel wire rope limit chamber (Q) that can prevent steel wire rope from deviating from, the length of the steel wire rope limit chamber (Q) is equal to arched top
The arc length of plate (83), the circumference that the arc length of the curved roof (83) is 1/4.
6. driving according to claim 5 weighs overload unification Weighing system, it is characterized in that：The weight display
(3) it is the digital display with power-off protection function, the back side of the weight display (3) is provided with for connecting electricity
The power interface and connection signal in source input or the terminal interface of output, and the terminal interface includes that analog input and output connects
Mouth, switch value input interface, output switch parameter interface, weight interface, speed interface, communication interface and printing interface.
7. driving according to claim 6 weighs overload unification Weighing system, it is characterized in that：The weight display
(3) front end face is provided with is provided with main digital display screen for showing weighed quantity and when for showing in distribution up and down
Between, the attached digital display screen of number, and the front end face of weight display (3) is additionally provided with three and is respectively used to display dynamic, secondary
The display lamp and key group of number and zero-bit；The key group include ON/OFF keys, setting key, weight/number key and clearing/
Enter key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354313.0U CN207850501U (en) | 2018-03-15 | 2018-03-15 | Driving weighs overload unification Weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820354313.0U CN207850501U (en) | 2018-03-15 | 2018-03-15 | Driving weighs overload unification Weighing system |
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| Publication Number | Publication Date |
|---|---|
| CN207850501U true CN207850501U (en) | 2018-09-11 |
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ID=63424594
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820354313.0U Active CN207850501U (en) | 2018-03-15 | 2018-03-15 | Driving weighs overload unification Weighing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264358A (en) * | 2020-09-16 | 2022-04-01 | 宝山钢铁股份有限公司 | Weighing structure for large-scale travelling crane |
-
2018
- 2018-03-15 CN CN201820354313.0U patent/CN207850501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264358A (en) * | 2020-09-16 | 2022-04-01 | 宝山钢铁股份有限公司 | Weighing structure for large-scale travelling crane |
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